Now you see it, now you don't: Impact of temporary closures of a coal-fired power plant on air quality in the Columbia River Gorge National Scenic Area

Jaffe, D. A. and D. R. Reidmiller (2009), Now you see it, now you don't: Impact of temporary closures of a coal-fired power plant on air quality in the Columbia River Gorge National Scenic Area, Atmos. Chem. Phys., 9, 7997-8005.